氧气厂4d-375氧气压缩机传动系统的检修与活门改造

氧气厂4D375氧气压机传动系统的检修与活门改造单位氧气厂氧通维检中心姓名工种机修钳工申报级别技师A1A0A2A3A4A5A7A6A8A9A10A112氧气厂4D375氧气压缩机传动系统的检修与活门改造摘要2007年8月中上旬，北京氧通维检中心在首钢高炉检修期间对首钢氧气厂6500NM3/H空分设备和氧压机空压机进行为期十天的中修。我们班组主要负责4D375氧压机1机及其辅助设备的检修工作。1本文主要描述曲轴传动系统的检修、FIXTURLASERXA的激光轴承对中仪的使用、活门国产化改造三方面内容。4D375曲轴轴瓦持续高温，并连续在同一位置出现磨损和乌金层烧黑现象，彻底检查后确定由于地基老化变形使电机联轴器不对中造成；运用氧气厂新引进的FIXTURLASERXA的激光轴承对中仪找正后调整；G19555后对4D375的1机活门进行G1114国产化改造。关键词曲轴轴瓦G1571磨FIXTURLASERXA激光对中国产化改造一、一段一曲轴轴瓦的偏磨电机的G17728动通G17819联轴器G6238G17728动G2159G11709传G17894G13485主G17728轴，主G17728轴G5114动G3247G1022曲轴G1582G1571心G6683动，G8611G1022曲轴的G6683动由G2520G14270连G7450传G17894G13485G2520G8585活G3634，并G6238主G17728轴的轴G2533G17728G11709G17728化为活G3634的G12458G11464G2159G11709；电机的G17728动G2159G11709G17728化为G5460G3809G2159G11709，G5114动活G3634压G13565氧气，G4448成气G1319压G13565G1582G2163。G3926G3282一G726曲轴连G7450传动G12046G5859G3282。G316500NM3/HA12A13A14A15A16A17A18A19A12A20A21A22A23A24A25A26A27A28A29A30A16A31A32SURZERA33A34A35A36A37A38A394D375A40A41A42A43A26A28A30A22A13A44A45A46A47A27A48A49A50A44A51A22A52A53A54A55A56A51A22A28A57A58A59A60A55A61A51A22A62A63A64A30A37A65A66A67A68A69A70A71A72A73A74A75A763图一曲轴连杆传动示意图在检修G2081的一G8585G7114间G18336，4D375一G8585一轴承温G5242持续G1571高，并G3822G8437造成G1584G17722G708G2011G6454备机，G7254G7422G5445G2721G10995产，G1306造成G1017G18337的G9022G17165和G10995产G19556G5751G709。G2394G8437G1375检中，G2469现曲轴和连G7450间的G9381动轴承面变黑，乌金G14085G14865；G13792在运G17728G1972十G4579G7114后在同一位置G18337G3809出现。G8504G8437中修G17819G12255中，一G8585一轴瓦温G5242高G7171G18337G9869检修内容G1055一。G2033G8505G6524G8991，造成轴瓦持续G1571磨G708持续同一位置磨损G709的G2520G12193G2419G3252G7693G6466G2499G14033G5627的G1820后G1393G8437G6502G5219为G7261活G3634在高G20069持续G6403动G991产G10995轴G2533G1571G17728，G5445G2721G1016十A65A66A67A68A69A70A71A72A73A74A75A764G4395G3848G5191行G5242；2轴承间G19565G17819G4579，G7422G14033在轴承面形成G7389G6940G8845G14192G708G8504G19394G20076G5224G4658于轴瓦磨损的G11464G6521G2419G3252，G1306在G3822G8437检修中确G16760，并不G7171造成持续在同一位置磨损的G11464G6521G2419G3252，G6937G6502在G8437位G709；3电机G994主G17728轴联轴器对中G5445G2721G708G8504G19394G20076G7380G1820G13783G15397，G1306G3252为其G4439G2520G13435G8821G7389G5445G2721，G6937G7254G7114G3800于G5465G13783G15397位置G709；4其G4439G2419G3252。图二十字头及其轴瓦的偏磨位置示意图G19036对G2033G8505G6524G8991G13479G7536，主要G1186G1209G991G1972方面进行G1114分G7524G3800G10714。1、G1192G13466检G8991G1114曲柄销轴承的间G19565、十G4395G3848销G994十G4395G3848、连G7450大G4579G3848瓦的间G19565、十G4395G3848G994G9381道的六G9869间G19565，G1209及曲柄销轴的椭圆G5242，更G6454G1114新的十G4395G3848销，保证G1114G2520部间G19565。G708具G1319检修单数G6466繁杂，不再列出；同G7114也G3252为G3822G8437G18337G3809检修，数G6466十分稳定G7092、连G7450大G4579G3848孔的G5191行G5242，利用专用工具检G8991，十G4395G3848销孔对于一G13435曲柄销轴的G5191行G5242，也利用专用G5191衡仪进行G1114检G8991。G5191行G5242均G7422超M，在允许范围内。3、活G3634G7450的跳动，设计值不超G17819007错误未找到引用源。，也在设计范围要求G1055内。A65A66A67A68A69A70A71A72A73A74A75A765图三FIXTURLASERXA激光对中仪主机与TDM遥测数据监控器2在G1209上三G9869均得到确G16760无误后，断定G4658于曲轴联轴器的对中G19394G20076。使用氧通维检中心新引进的FIXTURLASERXA的激光轴承对中仪找正，G8991量G8505骤G3926G991G726由于该联轴器G994齿轮G8845泵靠近，G2520G8845管的阻挡，只G14033采用任G5859三G9869法G8991量G708FIXTURLASERXA包含三G12193G8991量方法G726G14270动采数法、任G5859三G9869法和G7114钟法G709。31屏幕显G12046调整端的机器。当激光打在G6521收器上的G7114候，信号灯就显G12046为绿色。G3926G991G3282G3247。G32TDMA77TELEMETRICDATAMONITORA78A79A80A81A82A83A84A85FIXTURLASERXAA86A87A88A89A90A91A92A93A94A95A963A97FIXTURLASERXAMANUALA98A99A100A101A102A103FIXTURLASERA104A105A106A107A108A109A110A111A112A113A114A115A116A117A118A119A120A121A122A1236图四FIXTURLASERXA任意三点法第一点2输入G1016G1022探G8991单元G1055间的距离677MM，TDM到调整端机器G2081地脚螺栓的距离565MM，输入G1016地脚的距离1088MM。3确定第一G1022位置，当出现G7114，说明G1016G1022TDM已经G2499G1209读取数G6466，G9869击G3282标记录第一位置数G6466。4G3926G991G3282，G1820后盘G17722，G6238G17728轴旋G17728到第二G1022位置，第三G1022位置。同上分别G9869击，记录第二、第三组数G6466。A112A113A114A115A116A117A118A119A120A121A122A1237图五FIXTURLASERXA任意三点法第二点图六FIXTURLASERXA任意三点法第三点A112A113A114A115A116A117A118A119A120A121A122A12385确G16760输入后，即G2499显G12046G8991量的G13479G7536，G8504数值为运算G2033始值，在实际G10995产中G8821G7389实际G5859义。G3926G991G3282图七两TDM各自的变化值6同G7114G2499G1209显G12046具G1319的G3282G1375和建议调整量。G708FIXTURLASERXA系统G14270动G10995成G3282像G709A112A113A114A115A116A117A118A119A120A121A122A1239图八8月6日检修前的找定心数据7G7693G6466G8991量G13479G7536对电机地脚进行G1114调整，调整G13479G7536G3926G991G3282G726图九8月13日检修后的找定心数据G3282G12046中，橘色标志表G12046FIXTURLASERXAG16760为该数G6466G7389调整的必要；后G8991数G6466G7171FIXTURLASERXA系统计算G991的G6524荐地脚调整方G2533和数值大G4579。G3282九所G12046，检修后的数G6466在G12458G11464方G2533上G7389一定的G1571差，G8504G1571差G7171G3252为检G8991G7114压G13565机冷却器G7422灌水、开G17722后温G5242G2469G10995变化、开G17722后附加扭G11709等G3822G12193G5445G2721G991，预设的机身变形值的总和。水G5191方G2533的G1571差G7171参G13783开G17722后温G5242G2469G10995变化和开G17722后附加扭G11709G5445G2721G991，预设的机身变形值的总和。G1186G3282九中G2499G1209知道，轴承对中调整已经G17810到G1114G10995产设计要求。在后期G16809G17722运行中，一G8585一轴承G7422再出现G17819轴温G17819高现象。同G7114G8991得一G8585一G3818G3733G6403动G8616检修G2081G1955G4579。轴瓦G1571磨G19394G20076已经G16311G1927，G17810到G1114检修预定的G6940G7536。A112A113A114A115A116A117A118A119A120A121A122A12310二、氧压机活门国产化改造46500NM3/H空分的4D375G17867G4479G12447G5347氧压机G1055G2081一G11464采用G10802G3775G5079G1823G2716G5515的活门产G2709。近期，G5079G1823G2716G5515活门在我厂的G5224用G17819G12255中G20069繁地出现活门G4506G4565G3845G6940和活门断G16022G5785G1929G708G991G3282十显G12046一G1022G11142G2183断G16022的G5079G1823G2716G5515的二G8585出G2487活门G709，G8611年单G7171更G6454活门就要G14469G17165十G14279二十G987G8443元的维G6264G17165用，G6252G2524G1166G8677G5077G11346G1325G987元。为G1114G14422G13434设备的G10995产维G6264G17165用，G6915持G8677G7075产G1006，G19215G9872氧气厂维检G2159量，加G5390G14270身的G1006G2165水G5191；氧通维检中心G994氧气厂机动G12197G2524作，联G2524对其进行活门国产化改造。5图十4D375活门照片和端面投影尺寸G708二G13435出G2487，G10802G3775G5079G1823G2716G5515。已经在G11142G2183G5224G2159G991断G16022G709改造后活门、G3883G12582及压G11434均采用上G9035G9035G13784产G2709。G3926G3282十一，所G12046为一G13435出G2487G10043G10267，设备G19658G1226G13546号DISCHARGEVALVE1206。G34A124A125A126A127A128A129A130A131A132A133A134A128A135A136A137A138A139A140A141A135A136A142A143A144A145A134A128A146A129A130A134A147A139A148A149A150A135A136A142A135A151A152A146A153A154A134A128A129A130A131A155A156A126A157A124A125A158A159A160A161A162A127A163A164A163A165A166A167A168A169A170A139A160A161A171A172A173A174A175A176A138A177A178A179A178A180A181A182VALVEA132A143A145A131A182DISCHARGEVALVEA132A144A145A131A182SUCTIONVALVEA126A183A182DISCHARGEVALVE2205A184A170A175A185A186A187A138A188A189A190A146A124A125A179A178A191A192A1265A193A160A161A162A127A163A137A147A194A195A1966500A124A125A197A198A146A199A200A201A174A202A139A203A204A205A206A207A208A209A210A211A212A213A214A215A21611图十一4D375活门照片G5079G1823G2716G5515采用1CR13不G19164钢作为G19412门主G1319，采用G10627G5347G12591G13605G13479G7512，G19412G10267G4506G4565，G7234通G5389G12795压G13051。G10317G9869G726活门动作G8981G11033；同G13435G2520活门间的G2339调G5627G17751G3921；气G1319通G17819的阻G2159G4579；G3822G8437使用后一G7098G7588一G1022G4506G4565G3845G6940，G12447即引G17227整G1022G13435的系统压G2159和温G5242G3845调；检修G5686G3809G3268G19602。上G9035G9035G13784产G2709G5224用G7460G17148G11468同，采用G10627G10378分G5079G12591孔G5347G13479G7512，G8611一G1022孔对G5224单一G5389G12795和G4506G4565G1226，G4506G4565G1226G17885G7460G11911化G3247G8691G3621G7021。G10317G9869G726G2520G4506G4565孔G10432G12447工作，G8981G1319G2563动杂G1093；G2520孔间由于G5389G12795的G5389G2159差G5334G1262G7389使G17227跳不同G8505；活门的修G10714维G6264十分方G1427；单一孔的G4506G4565G3845G6940对系统G5445G2721G5468G4579，G1306不G7143G4531G16285G13792对气G1319压G13565量和G13803电量用G17751大G5445G2721。整G1319G5627G14033G5079G1823G2716G5515活门G1260于上G9035G9035G13784，G1306G13783G15397到G1227G7696的差G5334，活门改造利G17840大于G5342。G14279G6142G12307，新活门G7379G6454G1177运行70G1325G4579G7114，运行G17819G12255中持续出现同G13435同G1403活门温G5242差G5334G17751大，第一G13435出G2487温G5242G17819高等G19394G20076。正在调G16809中，基本G2499G1209G13955定G8504G8437活门改造成G2163。A205A206A207A208A209A210A211A212A213A214A215A21612三、氧压机活门压盖的改装在活门改造的同G7114，活门压G11434和压G13051G3883G12582也已经不G17878G2524G2419G7389的G4622G4556，G6937进行G1114同G8505改造。G3926G3282十二、G3282十三，分别显G12046G1114压G11434及G3883G12582的G13479G7512差G5334。图十二改造前的压盖及套筒结构形式G5079G1823G2716G5515活门压G13051G3883G12582G994气G13580在G4445G16025后基本G5191G21796，加G3455后由压G11434G11464G6521压G13051，于G7171就G7389G2499G14033G4396在压G13051G3883G12582和活门的变形G13792引G17227的活门G7422G15999压G13051的G5785G1929。在活门G1016G1403高G20069高压气G1319G1144G1126变化G5785G1929G991，活门G7389G2499G14033产G10995附加G6403动，引G17227活门G8856G19718和破坏。G708同G7114也G7389G2499G14033G4396在活门压G13051G3883G12582G17819高，致使压G11434G4506G4565G3845G6940G5785G1929，G1306在实际G10995产检修G17819G12255中G7422出现G17819G8504类G5785G1929G709。A217A218A219A220A221A222A223A224A225A226A227A22813图十三改造后的压盖及套筒结构形式上G9035G9035G13784公司压G11434和G3883G12582在G5079G1823G2716G5515产G2709基础G1055上，添加G1114顶丝，压G13051G7389G2499G14033G4396在跳动的G3883G12582，G4448全避免G1114活门的附加G6403动。G1306同G7114增加G1114活门的G4506G4565G9869数。顶丝的G4506G4565上G9035G9035G13784公司采用O型圈G4506G4565，G4506G4565G13479G7512G3926G3282十G3247。